<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>first html</title>
</head>

<body>
    <h1>heading</h1>
    <h2>heading</h2>
    <h3>heading</h3>
    <h4>heading</h4>
    <h5>heading</h5>
    <h6>heading</h6>
    <p>块级元素：通常占一行，占全部宽度，以快的形式出现，需要通过样式去调整占用 div,p,h等</p>
    <p>内联元素：块内，不导致换行，通常只占必要的宽度，a,img等</p>
    
    <a href="https://www.baidu.com" target="blank">跳转到百度的超链接，target blank会另起一个窗口</a>
    
    <!-- list ol:order list-->
    <ul>
        <li>无序列</li>
        <li>无序列</li>
        <li>无序列</li>
    </ul>
    <ol>
        <li>有序列</li>
        <li>有序列</li>
        <li>有序列</li>
    </ol>
    <!-- table -->
    <table border="1px solid black">
        <thead>
            <tr>
                <td>姓名</td>
                <td>年龄</td>
                <td>性别</td>
                <td>email</td>
            </tr>
        </thead>
        <tbody>
            <tr>
                <td>廖风顺</td>
                <td>23</td>
                <td>男</td>
                <td>1508034450@qq.com</td>
            </tr>
        </tbody>
    </table><br><br><hr><br><br>
    <!-- form -->
    <form action="form.js" method="POST">
        <div>
            <label>first name</label>
            <input type="text" name="first_name" placeholder="input you first name..."/>
        </div>
        <div>
            <label>last name</label>
            <input type="text" name="first_name" placeholder="input you last name..." />
        </div>
        <div>
            <label>email name</label>
            <input type="text" name="first_name" placeholder="input you email..." />
        </div>
        <input type="submit" name="submit" value="提交信息">
    </form><br><br><br>
    <button name="a_button">a button</button><br><br>
    <!-- image -->
    <img src="../img/pic1.jpg" alt="图片">

    <!-- blockquoto -->
    <blockquote>
        引用一段话
    </blockquote>
    <p><abbr title="xhx">下划线 abbr标签</abbr></p>
    <p><site>site标签</site>site标签</p>

</body>

</html>